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Finding the Fourth Proportional to 3,242.72, 4,864.08 and 934.22

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Solution

The fourth proportional to 3,242.72, 4,864.08 and 934.22 is: 1,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.72 : 4,864.08 = 934.22 : x
  2. Step 2: Convert to fraction form
    3,242.72/4,864.08 = 934.22/x
  3. Step 3: Cross multiply
    3,242.72x = 4,864.08 × 934.22
  4. Step 4: Simplify right side
    3,242.72x = 4,544,132.98
  5. Step 5: Solve for x
    x = 4,544,132.98/3,242.72
  6. Step 6: Final answer
    x = 1,401.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.